Cleaned up for Scala 2.10 and added scalatra support.

Removed all warnings related to scala 2.10:
Added
    import scala.language.implicitConversions
    import scala.language.existentials

Added scalatra simple servlet and Jetty support.
First phase for rest services.
Merge branch 'master' of github.com:victorspivak/projects

Conflicts:
	MyScalaLib/.idea_modules/myscalalib-build.iml
	MyScalaLib/.idea_modules/myscalalib.iml